CVE-2022-49442: drivers/base/node.c: fix compaction sysfs file leak
Vulnerability summary
CVE-2022-49442 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 21.7% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 8 · Related 7Timeline
- 26-02-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: drivers/base/node.c: fix compaction sysfs file leak Compaction sysfs file is created via compaction_register_node in register_node. But we forgot to remove it in unregister_node. Thus compaction sysfs file is leaked. Using compaction_unregister_node to fix this issue.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.29% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu111 products
- linuxAll versions (No fix recorded) | < 4.15.0-192.203 | < 5.4.0-126.142 | < 5.15.0-47.51
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1140.151 | < 5.4.0-1085.92 | < 5.15.0-1019.23
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ ed4a6d7f0676db50b5023cc01f6cda82a2f2a307, < 39642b0feddb9c39faa6de469a94bfeb4dc0d3a9 | ≥ ed4a6d7f0676db50b5023cc01f6cda82a2f2a307, < 606732650a2c88e66c59c22dd5464ea0d820250e | ≥ ed4a6d7f0676db50b5023cc01f6cda82a2f2a307, < f76ddc8fcf6d81fe89bfa4d3efcbc4fe69a91d48 | ≥ ed4a6d7f0676db50b5023cc01f6cda82a2f2a307, < 386e69e068177ee91cac27f2f0e6ebda1515f5ca | ≥ ed4a6d7f0676db50b5023cc01f6cda82a2f2a307, < d8a5bdc767f17281da648555cdbd286f98fd98ee | ≥ ed4a6d7f0676db50b5023cc01f6cda82a2f2a307, < b3fcf1f583b1a0946d9d9bfb7362c9c186801775 | ≥ ed4a6d7f0676db50b5023cc01f6cda82a2f2a307, < 466134df7561aeb801baddf6666b512e0e1a1707 | ≥ ed4a6d7f0676db50b5023cc01f6cda82a2f2a307, < 6905be93d1ab54f73718047536fec0ca488d5315 | ≥ ed4a6d7f0676db50b5023cc01f6cda82a2f2a307, < da63dc84befaa9e6079a0bc363ff0eaa975f9073 | 2.6.35
- linux_kernel≥ 2.6.35, < 4.9.318 | ≥ 4.10, < 4.14.283 | ≥ 4.15, < 4.19.247 | ≥ 4.20, < 5.4.198 | ≥ 5.5, < 5.10.121 | ≥ 5.11, < 5.15.46 | ≥ 5.16, < 5.17.14 | ≥ 5.18, < 5.18.3
Debian1 product
- linux< 5.18.5-1
3 vendors · 114 products
